# gf_name_list = ['高圆圆', '刘亦菲', '赵丽颖', '范冰冰', '李嘉欣']
#
# print("yuan" in "rain yuan eric")
# print("yuans" in "rain yuan eric")
# print("yuan" in "rain yuans eric")
#
# name_list = ["rain", "eric", "alvin","yuans"]
#
# print("yuan" in name_list)
#
# print("yuans" in name_list)
#
# print("yuan" in name_list)
# l = [1,2,3,4,5]
# print(1 in l)
# print("1" in l)

# s1 = "hello "
# s2 = " yuan"
# print(s1 + s2)
#
# l1 = [1, 2, 3]
# l2 = [4, 5, 6]
# print(l1 + l2)
# name_list = ["张三", '李四', "王五"]
# name_list = ["rain", "eric", "alvin", "yuan","Alex"]
# for name in name_list:
#     # print(name.upper())
#     if name.startswith("a") or name.startswith("A"):
#         print(name)
# s = " yuan "
# print(s.strip().capitalize().isdigit())
print(len("hello yuan~"))
print(len({"k1":"v1", "k2":"v2"}))
